Marcia Brauning

6 Flips | 1 Magazine | 2 Followers | @MarciaGB | Keep up with Marcia Brauning on Flipboard, a place to see the stories, photos, and updates that matter to you. Flipboard creates a personalized magazine full of everything, from world news to life’s great moments. Download Flipboard for free and search for “Marcia Brauning”

The Greenhouse Effect

Teacher Tips<p>Overview of sim controls, model simplifications, and insights into student thinking ( PDF ).<p>Teacher-Submitted Activities<p>Using PhET in …

A sensitive matter

OVER the past 15 years air temperatures at the Earth’s surface have been flat while greenhouse-gas emissions have continued to soar. The world added …

Climate Change

Bad Greenhouse

<i>T</i>here is a <i>greenhouse effect,</i> but, if there were not, we would all be dead!<p><i>I</i>t is becoming increasingly clear that we are also experencing <i>global</i> …

What is the greenhouse effect?

We often hear about the "greenhouse effect" in the negative context of global warming -- it's why the glaciers are melting and climate patterns are …